1. Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, 1550 Linden Dr., Madison, Wisconsin, USA
2. Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
3. Université Saint-Joseph, Centre d'Analyses et de Recherche, Unité de Technologie et Valorisation Alimentaire, Campus des Sciences et Technologies, Mar Roukos, Mkallès, Riad El Solh, Beirut, Lebanon
4. Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin, USA
5. Laboratory of Microorganisms and Food Irradiation, Lebanese Atomic Energy Commission-CNRS, Riad El Solh, Beirut, Lebanon
6. Laboratory of Microbiology, Department of Biology, Faculty of Sciences, Lebanese University, Hadath Campus, Beirut, Lebanon